Cavitation Performance of Cylindrical Choke for Unsteady Flow. 2nd Report. Comparison of Difference in Inlet Shape of Choke.

邑里, 青山; 直人, 渡邉; 全男, 山本; 昇, 小池; 祥浩, 松岡

doi:10.1299/kikaib.65.3993

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2014

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“…Japanese researchers Aoyama Yuri etc. [8][9][10][11] adopting flow visualization technique have experimental studied the cavitation performance of cylindrical choke pipe with a sharp edged-corner under steady and unsteady flows. The choke pipe engenders cavitation phenomenon under steady and unsteady flows by remaining the downstream pressure and changing the upstream pressure or by remaining the upstream pressure and changing the downstream pressure.…”

Section: Fig 3 Cavitation Shocksmentioning

confidence: 99%

Design of Choking Cavitator and its Feasibility Study in Wastewater Treatment

Zhang

Tang

2014

AMM

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A new cavitator-choking cavitator is designed on the basis of analyzing the choking cavitation phenomena that occurs in gas-liquid mixed flow of straight pipe ,in jet pump under operating limits and in steady adiabatic flashing flow of stepped circular tube as well as in a cylindrical pipe with a sharp edged-corner for the steady and unsteady flows. The feasibility preliminary research of choking cavitator is carried out with analysis the signals of cavitation noise and treating simulated wastewater (phenol solution). The results offers a new approach in cavitator development field at home and abroad because of the effect that treating simulated wastewater with choking cavitator is preferable,and the cavitation per energy produced by choking cavitator is higher than that by self-oscillated chamber nozzle.

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Section: Fig 3 Cavitation Shocksmentioning

confidence: 99%